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Diffstat (limited to 'mysql-test/r/subselect.result')
| -rw-r--r-- | mysql-test/r/subselect.result | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/mysql-test/r/subselect.result b/mysql-test/r/subselect.result index 92a4a6f3f5a..ba487cb859d 100644 --- a/mysql-test/r/subselect.result +++ b/mysql-test/r/subselect.result @@ -4071,4 +4071,14 @@ id st 2 GA 4 FL DROP TABLE t1,t2; +CREATE TABLE t1 (a int); +INSERT INTO t1 VALUES (1), (2); +EXPLAIN EXTENDED +SELECT * FROM (SELECT count(*) FROM t1 GROUP BY a) as res; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 +2 DERIVED t1 ALL NULL NULL NULL NULL 2 Using temporary; Using filesort +Warnings: +Note 1003 select `res`.`count(*)` AS `count(*)` from (select count(0) AS `count(*)` from `test`.`t1` group by `test`.`t1`.`a`) `res` +DROP TABLE t1; End of 5.0 tests. |